package com.example;

public class TypeDemo {
    public static void main(String[] args) {
        int a=128;
        byte b= (byte) a;  //[-128,127]
        System.out.println(b);

        //二进制 0b
        int d=0b1010;
        System.out.println(d);
        //  << >> >>> 位运算
        //native2ascii
        char c='\u9648';
        System.out.println(c);
        System.out.println("ooooo\nppp");
    }
}
